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Morel MPS 4.400

4-channel car amplifier — 70 watts RMS x 4

Item # 210MPS4400

Morel built this MPS 4.400 amplifier so their high-performing car speakers would have an amp worthy enough to power...

Morel built this MPS 4.400 amplifier so their high-performing car speakers would have an amp worthy enough to power...

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About the Morel MPS 4.400

Old school power

Morel built this MPS 4.400 amplifier so their high-performing car speakers would have an amp worthy enough to power them, giving you high-fidelity musical reproduction along with pure, clean power. The MPS 4.400 can send 70 watts RMS to each of your front and rear speakers, boosting musical clarity and emotional impact. You can also set this amplifier to 2-channel mode and power a couple of subs with up to 200 watts RMS each.

Old school power

Morel built this MPS 4.400 amplifier so their high-performing car speakers would have an amp worthy enough to power them, giving you high-fidelity musical reproduction along with pure, clean power. The MPS 4.400 can send 70 watts RMS to each of your front and rear speakers, boosting musical clarity and emotional impact. You can also set this amplifier to 2-channel mode and power a couple of subs with up to 200 watts RMS each.

Low-noise design

Morel made sure that every detail of this amplifier's design would result in lower noise and higher sound quality. The amp's Class AB architecture achieves the cleanest signal with the least distortion, while balanced differential inputs reject interference. An onboard microprocessor controls the thermal management system, keeping the amp running cool and steady no matter how hard it's driven. All the connections are on one side of the amp to keep wiring neat, organized, and simple for the installer.

Tone controls for every occasion

The high- and low-pass filters and gain controls sit protected under a top panel. Their intuitive operations and functions make it easy to match the amp's output to your speakers or subs — and achieve great sound. This amplifier's modest exterior shelters high-quality electronic components that guarantee an accurate and musical performance.

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Product highlights:

  • 4-channel car amplifier
  • 70 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)
  • 200 watts RMS x 2 at 4 ohms in bridged mode (4-ohm stable in bridged mode)
  • Class AB amp technology
    • 100 dB signal-to-noise ratio, 0.05% distortion
  • variable high- and low-pass filters (40-400 Hz, 12 dB/octave) on front and rear channels
  • preamp and speaker-level inputs
  • wiring, fuse, and hardware not included with amplifier
    • 8-gauge power and ground wires and a 40-amp fuse recommended
  • 13-5/16"W (including flange) x 2-1/8"H x 6-3/4"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 803144-100

What's in the box:

  • 4-Channel amplifier
  • Four 5/8" Screws
  • Two M4x4mm Machine screws (top panel replacement screws)
  • 2mm Allen wrench
  • 2.5mm Allen wrench
  • 4mm Allen wrench
  • Owner's manual

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Morel MPS 4.400 reviews

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Chasing Sonic Clarity? Here you go...

Crutchfield customer from Campbell, CA on 7/9/2019

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Driving my aftermarket 6.5" CDT front speakers and a 10" Kicker subwoofer with this new Morel amp, and WOW am i surprised and infinitely happy to have made this purchase. The clarity of the voices, and music notes, is incredible! I can hear the different levels of sounds, it feels like, and I can just sit there with the car off and just listen to my music. I went for this amp due to it's rating of the (wider) frequency range, and lower THD numbers. I'm using a Pioneer DEH-80PRS head unit, so i wanted to make sure my signal was nice and clear... Best money i've spent in a while, since i'm enjoying every moment i'm in the car!!!

Pros: + Sonic Clarity + Easy set up (Connections on one side) + Relatively small footprint

Cons: - None that i can really thing of, maybe moar power but i'm happy...

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1 of 1 found this helpful

Beautiful Sound

Crutchfield customer from Havre, MT on 5/23/2019

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Purchased the amplifier to power two sets of Virtus 602s for the front stage of my system build. The sound is amazingly clean and clear. Couldn't be happier with the results.

Pros: Easy to install and sounds amazing. Clean powerful amplifier!

Cons: Now I want to buy another 4.400 and add more sound to the back seat area of my truck ;)

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1 of 1 found this helpful

Dollar for dollar, best option out there.

Crutchfield customer from San Juan Capo, CA on 5/22/2019

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Exceptionally powerful and clean. I have them mated to the Focal ISS 165's and they scream. If you are looking for an amp in this power range, compare the specs of the Morel MPS 4.400 to any other. Do your research and hear what the experts say about this amp and Morel in general if you are unfamiliar with their brand. When I did, hands down the Morel was the best choice for me.

Pros: Morel quality Powerful - suspect more than rated Price point

Cons: None

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1 of 1 found this helpful

Wow

Crutchfield customer from Fort Worth, TX on 4/8/2019

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definitely a good amp to power some full range speakers, it did take a while to get it to sound the way i like but once done this thing bangs. This is for true sound quality lovers so look elsewhere if you want something powerful don't know why you would because 80 watt rms is enough to bleed your ears

Pros: doesn't run that hot for an AB class no external fuses

Cons: nothing

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2 of 2 found this helpful

Morel MPS 4.400

Crutchfield customer from Sumter, SC on 1/11/2019

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Amazing Amp i.have been into car audio for over 35 years and this amp is so powerful and so clean! i am running this amp in 4@ and it's going to a set of 6x9 ARC Audio's in the rear and a set of morel 5-1/4 in the dash and it blows my mind how good this amp really is! if you have any doubt's about the Morel line,do not over think it,just buy them and enjoy the results.can't get the smile of my face!

Pros: fairly small foot print.crossover points are accurate.super clean and very powerful for it's size.would buy another one in a heartbeat!

Cons: NONE!

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1 of 1 found this helpful

Wow...

Crutchfield customer from Wilmington, NC on 8/27/2018

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Honestly was on the fence about this amp. I wanted the cleanest undistorted sound I could find and new without going into astronomical prices a D amp just wasn't gonna cut it. As far as distortion goes it beat almost every amp I put it up against. It just so happens that the price is reasonable as well. I honestly don't think I could be any happier with it. The undeniable warmth of sound that only an AB can offer. Build quality is outstanding, and the footprint is reasonable fit under my passenger seat on my 4runner perfectly. So if you want old school quality build, audiophile quality sound reproduction, then look no further. I have this with a Pioneer 80 DEH-80PRS Head unit to higher end component speakers and a separate sub to fill in the low end.

Pros: Lack of distortion, build quality, and price.

Cons: Could have a little more power if I'm honest. 70 x 4 is a tad meh, but it is not lacking in power. I will never max out my system as I did not buy it to make my ears bleed I bought to listen to great music the way it was meant to be heard.

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6 of 7 found this helpful

Morel MPS 4.400

Shane from Orlando, FL on 8/7/2018

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Love the sound and clean power. Best $1 per watt ever spent. Go Morel "The New Old School Amplifier"

Pros: * Very clean power at a reasonable price * Well built with quality workmanship * Amplifier size makes it very versatile

Cons: * Wish they built more amplifiers higher wattage

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3 of 3 found this helpful

Morel MPS 4.400

John from Germantown, TN on 4/24/2018

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I swapped this amp for a JL audio xd400. Much better cleaner highs, espicially vocals. 70 x 4 is good. Then switched to the 200 x2 driving Morel hybird 6.5 components and amazing! Only complaint, at super high volume, distorts the piano music. Turn down a notch and perfect

Pros:

Cons:

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1 of 5 found this helpful

Morel MPS 4.400

Crutchfield customer from Acworth, GA on 4/5/2018

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Simply amazing when paired with Morel speakers

Pros:

Cons:

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0 of 1 found this helpful

Super sound quality!

Terry from MA on 2/27/2018

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This amp is super clean. I have the Morel 1.550 for a JL Audio 12w3v3 at 2ohms, and a Morel 4.400 for two pairs of Focal K2 Power 4 inch components, and it is a perfect matched system. I can't say anything about the crossover, because I am running it after a Mosconi DSP 6to8 Pro where I have all of my crossovers and EQ set up.

Pros:

Cons:

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2 of 3 found this helpful

Power under control

Ronald from Nesconset, NY on 2/13/2018

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Love this amp. It has all the wires on one side and the level, crossovers, and adjustments are hidden under a small cover on the top of the amp. It also has a beautiful black textured powder coating. Super clean power at a awesome price and with Crutchfield's life time support it is the best choice

Pros: Super clean power easy instal with all connections on same side great price

Cons: I wish the mounting tabs were not sticking past the footprint of the amp itself

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2 of 2 found this helpful

Perfect

Jerry from Rainier, WA on 1/4/2018

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Four Stars! Not because its not a Five star.Because I have only had they Morel 4.400 amp for a short time. My rig is a Pioneer AVH-4201NEX, Focal 165AS Comp, and this Morel amp. To my ear, Highs are accurate. Mid's are also. I added the small 8in Pioneer subwoofer under the seat. The sub adds just a bit of punch that was missing. With the Morel 4.400 , the listening pleasure for me, has increased a lot. I hear the instruments. All of them. the amp adds warmth to the music. I do like the Focal speakers! But it leaves me wondering ,if the amp from Morel is this good, I bet the amp speaker combo from Morel would be awesome.

Pros: East Install,Does not get hot, Price was good,Fantastic listening pleasure.

Cons: Get back to you on cons if any arise. Non so far

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3 of 3 found this helpful

Morel America

William from WA on 10/28/2017

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The sound quality of this amp is superior to anything else in its price range! Being an A/B class amplifier gives this amp the kind of warmth and realism I was looking for. Most amplifiers with this kind of quality sound cost 5-10 times this amount. I just wish they made more power, but overall I'm very pleased with my new amps.

Pros: Everything

Cons: Needs more power, 70 is plenty, but I want more

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4 of 4 found this helpful

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Product Research

Features
Controls
Connections
Specifications

Features

4-Channel Design: The amplifier is made up of two Class-AB full range stereo amps in one chassis (labeled Group A and Group B). The two amplifier sections are independently bridgeable, meaning the amp can be used as a 4-channel, 3-channel, or 2-channel amp. The minimum impedance is 2Ω (4Ω when bridged).

Differential-Balanced Inputs: The MPS 4.400 features differential-balanced inputs to control noise and ensure compatibility with a wide variety of source units, including many OEM systems. Without resorting to line output converters, you can directly connect most OEM source units to the amplifier without creating any noise or compatibility issues. Unlike conventional single-ended inputs, the differential-balanced design does not connect one side of the audio signal to chassis ground. This eliminates any voltage difference between the input terminal and ground, and reduces the incidence of alternator whine in a typical car audio installation.

Note: You will need Morel's MPS-HL speaker to RCA adapter (sold separately) if connecting the amplifier to the source unit's speaker level outputs.

Controls

Control Panel Cover: Most controls are under a removable part of the top panel, ensuring the amplifier's settings are not accidentally changed. The cover is installed at the factory, and must be temporarily removed to access the amplifier's controls. The security cover screws can be removed with the included 2.5mm Allen wrench.

  • Input Level: the two amp sections have independent input level controls; labeled min/max, the voltage range depends on how the input voltage (high/low) is set
  • Filter Mode: each section has a three position filter mode switch; Low Pass, Full Range, High Pass
  • Filter Frequency: each amplifier section has an independent filter frequency (crossover point) dial; 40 Hz to 400 Hz (low pass or high pass)
  • Turn On Mode: three position switch to set how the amp is turned on; Remote (+12 volts), Signal (senses an input signal voltage), Offset (reads a DC offset in the input signal, typically only used when "Remote" isn't an option and the "Signal" setting doesn't work reliably)
  • Input Voltage:
    • Low: 200mV-5V; typically used with line level outputs from an aftermarket source
    • High: 400mV-10V; typically used with speaker level outputs
  • Input Mode: 2-channel (inputs to Group A left and right supply both amplifier sections)/4-channel (inputs to Group A supply one full range amplifier, inputs to Group B supply the other)

Connections

  • Signal Inputs: the amplifier has two sets of differential-balanced RCA jack inputs; Group A (full range, left/right), Group B (full range, left/right)
  • Speaker Outputs: four pair of set screw terminals; accept up to 10-gauge wire
  • Remote Turn-On: set screw terminal; accepts up to 10-gauge wire
  • Power and Ground: set screw terminals; accept up to 4-gauge wire; 8-gauge recommended by Morel
Note: The Amplifier is not equipped with a fuse. An external 40-amp fuse must be installed on the power wire near the battery. If a wiring kit is used which includes a fuse with a value other than 40 amps, the original should be replaced with a 40-amp fuse.

Specifications

  • Power Output (measured at 14 volts):
    • 4Ω: 70 watts RMS x 4-channels
    • 2Ω: 100 watts RMS x 4-channels
    • Bridged: 200 watts RMS x 2-channels (into 4Ω)
  • THD+N: 0.05%
  • Frequency Response: 10 Hz to 30 kHz
  • Signal-to-Noise Ratio: 100 dB (at rated power)
  • Channel Separation: 64 dB
  • Damping Factor: >100
  • Input Voltage: 200mV to 10V

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
It will work perfectly with Morel 6.5" speakers purchased earlier [ THOMAS A  Aug 14, 2019 ]
A
good reviews, I just broke in my new Focal K2 KRC's. I didn't want to spend more for an amp. [ RALPH  Mar 02, 2019 ]
A
It class AB and it fit the bill power wise. Also, its Morel [ Zach  Feb 17, 2019 ]
A
great review in an audio magazine and price. [ Randy  Dec 08, 2018 ]
A
Powerful, well built and price was right on sale. [ Dan  Nov 22, 2018 ]
A
Quality [ Thomas  Sep 09, 2018 ]
A
I am a JL Audio and Focal fan, I am reaching outside my safe box to try something different. [ ryan  Mar 24, 2018 ]
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